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Theorem lmodring 14443
Description: The scalar component of a left module is a ring. (Contributed by NM, 8-Dec-2013.) (Revised by Mario Carneiro, 19-Jun-2014.)
Hypothesis
Ref Expression
lmodring.1  |-  F  =  (Scalar `  W )
Assertion
Ref Expression
lmodring  |-  ( W  e.  LMod  ->  F  e. 
Ring )

Proof of Theorem lmodring
Dummy variables  r  q  w  x are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 eqid 2232 . . 3  |-  ( Base `  W )  =  (
Base `  W )
2 eqid 2232 . . 3  |-  ( +g  `  W )  =  ( +g  `  W )
3 eqid 2232 . . 3  |-  ( .s
`  W )  =  ( .s `  W
)
4 lmodring.1 . . 3  |-  F  =  (Scalar `  W )
5 eqid 2232 . . 3  |-  ( Base `  F )  =  (
Base `  F )
6 eqid 2232 . . 3  |-  ( +g  `  F )  =  ( +g  `  F )
7 eqid 2232 . . 3  |-  ( .r
`  F )  =  ( .r `  F
)
8 eqid 2232 . . 3  |-  ( 1r
`  F )  =  ( 1r `  F
)
91, 2, 3, 4, 5, 6, 7, 8islmod 14439 . 2  |-  ( W  e.  LMod  <->  ( W  e. 
Grp  /\  F  e.  Ring  /\  A. q  e.  (
Base `  F ) A. r  e.  ( Base `  F ) A. x  e.  ( Base `  W ) A. w  e.  ( Base `  W
) ( ( ( r ( .s `  W ) w )  e.  ( Base `  W
)  /\  ( r
( .s `  W
) ( w ( +g  `  W ) x ) )  =  ( ( r ( .s `  W ) w ) ( +g  `  W ) ( r ( .s `  W
) x ) )  /\  ( ( q ( +g  `  F
) r ) ( .s `  W ) w )  =  ( ( q ( .s
`  W ) w ) ( +g  `  W
) ( r ( .s `  W ) w ) ) )  /\  ( ( ( q ( .r `  F ) r ) ( .s `  W
) w )  =  ( q ( .s
`  W ) ( r ( .s `  W ) w ) )  /\  ( ( 1r `  F ) ( .s `  W
) w )  =  w ) ) ) )
109simp2bi 1040 1  |-  ( W  e.  LMod  ->  F  e. 
Ring )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 104    /\ w3a 1005    = wceq 1398    e. wcel 2203   A.wral 2520   ` cfv 5352  (class class class)co 6050   Basecbs 13212   +g cplusg 13290   .rcmulr 13291  Scalarcsca 13293   .scvsca 13294   Grpcgrp 13713   1rcur 14103   Ringcrg 14140   LModclmod 14435
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-io 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-13 2205  ax-14 2206  ax-ext 2214  ax-sep 4228  ax-pow 4287  ax-pr 4322  ax-un 4554  ax-cnex 8218  ax-resscn 8219  ax-1re 8221  ax-addrcl 8224
This theorem depends on definitions:  df-bi 117  df-3an 1007  df-tru 1401  df-nf 1510  df-sb 1812  df-eu 2083  df-mo 2084  df-clab 2219  df-cleq 2225  df-clel 2228  df-nfc 2373  df-ral 2525  df-rex 2526  df-rab 2529  df-v 2815  df-sbc 3043  df-un 3215  df-in 3217  df-ss 3224  df-pw 3671  df-sn 3695  df-pr 3696  df-op 3698  df-uni 3915  df-int 3950  df-br 4110  df-opab 4172  df-mpt 4173  df-id 4414  df-xp 4755  df-rel 4756  df-cnv 4757  df-co 4758  df-dm 4759  df-rn 4760  df-res 4761  df-iota 5312  df-fun 5354  df-fn 5355  df-fv 5360  df-ov 6053  df-inn 9238  df-2 9296  df-3 9297  df-4 9298  df-5 9299  df-6 9300  df-ndx 13215  df-slot 13216  df-base 13218  df-plusg 13303  df-mulr 13304  df-sca 13306  df-vsca 13307  df-lmod 14437
This theorem is referenced by:  lmodfgrp  14444  lmodmcl  14448  lmod0cl  14462  lmod1cl  14463  lmod0vs  14469  lmodvs0  14470  lmodvsmmulgdi  14471  lmodvsneg  14479  lmodsubvs  14491  lmodsubdi  14492  lmodsubdir  14493  lssvnegcl  14524  islss3  14527
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